Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 441 insertions, 0 deletions

diff --git a/UnoControls/source/base/multiplexer.cxx b/UnoControls/source/base/multiplexer.cxx
new file mode 100644
index 000000000..c7bf65c17
--- /dev/null
+++ b/UnoControls/source/base/multiplexer.cxx
@@ -0,0 +1,441 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <multiplexer.hxx>
+
+#include <osl/diagnose.h>
+#include <cppuhelper/queryinterface.hxx>
+
+#include <com/sun/star/awt/XWindow.hpp>
+#include <com/sun/star/awt/XTopWindow.hpp>
+
+using namespace ::cppu;
+using namespace ::osl;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::awt;
+using namespace ::com::sun::star::lang;
+
+namespace unocontrols {
+
+//  macros
+
+#define MULTIPLEX( INTERFACE, METHOD, EVENTTYP, EVENT )                                                                             \
+                                                                                                                                    \
+    /* First get all interfaces from container with right type.*/                                                                   \
+    comphelper::OInterfaceContainerHelper2* pContainer = m_aListenerHolder.getContainer( cppu::UnoType<INTERFACE>::get() );  \
+    /* Do the follow only, if elements in container exist.*/                                                                        \
+    if( !pContainer )                                                                                                        \
+        return;                                                                                                                               \
+    comphelper::OInterfaceIteratorHelper2 aIterator( *pContainer );                                                                          \
+    EVENTTYP aLocalEvent = EVENT;                                                                                               \
+    /* Remark: The control is the event source not the peer.*/                                                                  \
+    /*         We must change the source of the event.      */                                                                  \
+    aLocalEvent.Source = m_xControl;                                                                                           \
+    /* Is the control not destroyed? */                                                                                         \
+    if( !aLocalEvent.Source )                                                                                               \
+        return;                                                                                                                           \
+    if( !aIterator.hasMoreElements() )                                                                                       \
+        return;                                                                                                             \
+    INTERFACE * pListener = static_cast<INTERFACE *>(aIterator.next());                                                 \
+    try                                                                                                                 \
+    {                                                                                                                   \
+        pListener->METHOD( aLocalEvent );                                                                               \
+    }                                                                                                                   \
+    catch(const RuntimeException& )                                                                                     \
+    {                                                                                                                   \
+        /* Ignore all system exceptions from the listener! */                                                           \
+    }
+
+//  construct/destruct
+
+OMRCListenerMultiplexerHelper::OMRCListenerMultiplexerHelper(   const   Reference< XWindow >&   xControl    ,
+                                                                const   Reference< XWindow >&   xPeer       )
+    : m_xPeer           ( xPeer     )
+    , m_xControl        ( xControl  )
+    , m_aListenerHolder ( m_aMutex  )
+{
+}
+
+OMRCListenerMultiplexerHelper::OMRCListenerMultiplexerHelper( const OMRCListenerMultiplexerHelper& aCopyInstance )
+    : XFocusListener()
+    , XWindowListener()
+    , XKeyListener()
+    , XMouseListener()
+    , XMouseMotionListener()
+    , XPaintListener()
+    , XTopWindowListener()
+    , OWeakObject(aCopyInstance)
+    , m_aListenerHolder ( m_aMutex  )
+{
+}
+
+OMRCListenerMultiplexerHelper::~OMRCListenerMultiplexerHelper()
+{
+}
+
+//  XInterface
+
+Any SAL_CALL OMRCListenerMultiplexerHelper::queryInterface( const Type& rType )
+{
+    // Attention:
+    //  Don't use mutex or guard in this method!!! Is a method of XInterface.
+
+    // Ask for my own supported interfaces ...
+    // Attention: XTypeProvider and XInterface are supported by OComponentHelper!
+    Any aReturn ( ::cppu::queryInterface(   rType                                           ,
+                                            static_cast< XWindowListener*       > ( this )  ,
+                                            static_cast< XKeyListener*          > ( this )  ,
+                                            static_cast< XFocusListener*        > ( this )  ,
+                                            static_cast< XMouseListener*        > ( this )  ,
+                                            static_cast< XMouseMotionListener*  > ( this )  ,
+                                            static_cast< XPaintListener*        > ( this )  ,
+                                            static_cast< XTopWindowListener*    > ( this )  ,
+                                            static_cast< XTopWindowListener*    > ( this )
+                                        )
+                );
+
+    // If searched interface supported by this class ...
+    if ( aReturn.hasValue() )
+    {
+        // ... return this information.
+        return aReturn;
+    }
+    else
+    {
+        // Else; ... ask baseclass for interfaces!
+        return OWeakObject::queryInterface( rType );
+    }
+}
+
+//  XInterface
+
+void SAL_CALL OMRCListenerMultiplexerHelper::acquire() noexcept
+{
+    // Attention:
+    //  Don't use mutex or guard in this method!!! Is a method of XInterface.
+
+    // Forward to baseclass
+    OWeakObject::acquire();
+}
+
+//  XInterface
+
+void SAL_CALL OMRCListenerMultiplexerHelper::release() noexcept
+{
+    // Attention:
+    //  Don't use mutex or guard in this method!!! Is a method of XInterface.
+
+    // Forward to baseclass
+    OWeakObject::release();
+}
+
+//  container method
+
+void OMRCListenerMultiplexerHelper::setPeer( const Reference< XWindow >& xPeer )
+{
+    MutexGuard aGuard( m_aMutex );
+    if( m_xPeer == xPeer )
+        return;
+
+    if( m_xPeer.is() )
+    {
+        // get all types from the listener added to the peer
+        const std::vector< Type > aContainedTypes = m_aListenerHolder.getContainedTypes();
+        // loop over all listener types and remove the listeners from the peer
+        for( const auto& rContainedType : aContainedTypes )
+            impl_unadviseFromPeer( m_xPeer, rContainedType );
+    }
+    m_xPeer = xPeer;
+    if( m_xPeer.is() )
+    {
+        // get all types from the listener added to the peer
+        const std::vector< Type > aContainedTypes = m_aListenerHolder.getContainedTypes();
+        // loop over all listener types and add the listeners to the peer
+        for( const auto& rContainedType : aContainedTypes )
+            impl_adviseToPeer( m_xPeer, rContainedType );
+    }
+}
+
+//  container method
+
+void OMRCListenerMultiplexerHelper::disposeAndClear()
+{
+    EventObject aEvent;
+    aEvent.Source = m_xControl;
+    m_aListenerHolder.disposeAndClear( aEvent );
+}
+
+//  container method
+
+void OMRCListenerMultiplexerHelper::advise( const   Type&                       aType       ,
+                                            const   Reference< XInterface >&    xListener   )
+{
+    MutexGuard aGuard( m_aMutex );
+    if( m_aListenerHolder.addInterface( aType, xListener ) == 1 )
+    {
+        // the first listener is added
+        if( m_xPeer.is() )
+        {
+            impl_adviseToPeer( m_xPeer, aType );
+        }
+    }
+}
+
+//  container method
+
+void OMRCListenerMultiplexerHelper::unadvise(   const   Type&                       aType       ,
+                                                const   Reference< XInterface >&    xListener   )
+{
+    MutexGuard aGuard( m_aMutex );
+    if( m_aListenerHolder.removeInterface( aType, xListener ) == 0 )
+    {
+        // the last listener is removed
+        if ( m_xPeer.is() )
+        {
+            impl_unadviseFromPeer( m_xPeer, aType );
+        }
+    }
+}
+
+//  XEventListener
+
+void SAL_CALL OMRCListenerMultiplexerHelper::disposing( const EventObject& /*aSource*/ )
+{
+    MutexGuard aGuard( m_aMutex );
+    // peer is disposed, clear the reference
+    m_xPeer.clear();
+}
+
+//  XFcousListener
+
+void OMRCListenerMultiplexerHelper::focusGained(const FocusEvent& aEvent )
+{
+    MULTIPLEX( XFocusListener, focusGained, FocusEvent, aEvent )
+}
+
+//  XFcousListener
+
+void OMRCListenerMultiplexerHelper::focusLost(const FocusEvent& aEvent )
+{
+    MULTIPLEX( XFocusListener, focusLost, FocusEvent, aEvent )
+}
+
+//  XWindowListener
+
+void OMRCListenerMultiplexerHelper::windowResized(const WindowEvent& aEvent )
+{
+    MULTIPLEX( XWindowListener, windowResized, WindowEvent, aEvent )
+}
+
+//  XWindowListener
+
+void OMRCListenerMultiplexerHelper::windowMoved(const WindowEvent& aEvent )
+{
+    MULTIPLEX( XWindowListener, windowMoved, WindowEvent, aEvent )
+}
+
+//  XWindowListener
+
+void OMRCListenerMultiplexerHelper::windowShown(const EventObject& aEvent )
+{
+    MULTIPLEX( XWindowListener, windowShown, EventObject, aEvent )
+}
+
+//  XWindowListener
+
+void OMRCListenerMultiplexerHelper::windowHidden(const EventObject& aEvent )
+{
+    MULTIPLEX( XWindowListener, windowHidden, EventObject, aEvent )
+}
+
+//  XKeyListener
+
+void OMRCListenerMultiplexerHelper::keyPressed(const KeyEvent& aEvent)
+{
+    MULTIPLEX( XKeyListener, keyPressed, KeyEvent, aEvent )
+}
+
+//  XKeyListener
+
+void OMRCListenerMultiplexerHelper::keyReleased(const KeyEvent& aEvent)
+{
+    MULTIPLEX( XKeyListener, keyReleased, KeyEvent, aEvent )
+}
+
+//  XMouseListener
+
+void OMRCListenerMultiplexerHelper::mousePressed(const MouseEvent& aEvent)
+{
+    MULTIPLEX( XMouseListener, mousePressed, MouseEvent, aEvent )
+}
+
+//  XMouseListener
+
+void OMRCListenerMultiplexerHelper::mouseReleased(const MouseEvent& aEvent)
+{
+    MULTIPLEX( XMouseListener, mouseReleased, MouseEvent, aEvent )
+}
+
+//  XMouseListener
+
+void OMRCListenerMultiplexerHelper::mouseEntered(const MouseEvent& aEvent)
+{
+    MULTIPLEX( XMouseListener, mouseEntered, MouseEvent, aEvent )
+}
+
+//  XMouseListener
+
+void OMRCListenerMultiplexerHelper::mouseExited(const MouseEvent& aEvent)
+{
+    MULTIPLEX( XMouseListener, mouseExited, MouseEvent, aEvent )
+}
+
+//  XMouseMotionListener
+
+void OMRCListenerMultiplexerHelper::mouseDragged(const MouseEvent& aEvent)
+{
+    MULTIPLEX( XMouseMotionListener, mouseDragged, MouseEvent, aEvent )
+}
+
+//  XMouseMotionListener
+
+void OMRCListenerMultiplexerHelper::mouseMoved(const MouseEvent& aEvent)
+{
+    MULTIPLEX( XMouseMotionListener, mouseMoved, MouseEvent, aEvent )
+}
+
+//  XPaintListener
+
+void OMRCListenerMultiplexerHelper::windowPaint(const PaintEvent& aEvent)
+{
+    MULTIPLEX( XPaintListener, windowPaint, PaintEvent, aEvent )
+}
+
+//  XTopWindowListener
+
+void OMRCListenerMultiplexerHelper::windowOpened(const EventObject& aEvent)
+{
+    MULTIPLEX( XTopWindowListener, windowOpened, EventObject, aEvent )
+}
+
+//  XTopWindowListener
+
+void OMRCListenerMultiplexerHelper::windowClosing( const EventObject& aEvent )
+{
+    MULTIPLEX( XTopWindowListener, windowClosing, EventObject, aEvent )
+}
+
+//  XTopWindowListener
+
+void OMRCListenerMultiplexerHelper::windowClosed( const EventObject& aEvent )
+{
+    MULTIPLEX( XTopWindowListener, windowClosed, EventObject, aEvent )
+}
+
+//  XTopWindowListener
+
+void OMRCListenerMultiplexerHelper::windowMinimized( const EventObject& aEvent )
+{
+    MULTIPLEX( XTopWindowListener, windowMinimized, EventObject, aEvent )
+}
+
+//  XTopWindowListener
+
+void OMRCListenerMultiplexerHelper::windowNormalized( const EventObject& aEvent )
+{
+    MULTIPLEX( XTopWindowListener, windowNormalized, EventObject, aEvent )
+}
+
+//  XTopWindowListener
+
+void OMRCListenerMultiplexerHelper::windowActivated( const EventObject& aEvent )
+{
+    MULTIPLEX( XTopWindowListener, windowActivated, EventObject, aEvent )
+}
+
+//  XTopWindowListener
+
+void OMRCListenerMultiplexerHelper::windowDeactivated( const EventObject& aEvent )
+{
+    MULTIPLEX( XTopWindowListener, windowDeactivated, EventObject, aEvent )
+}
+
+//  protected method
+
+void OMRCListenerMultiplexerHelper::impl_adviseToPeer(  const   Reference< XWindow >&   xPeer   ,
+                                                        const   Type&                   aType   )
+{
+    // add a listener to the source (peer)
+    if( aType == cppu::UnoType<XWindowListener>::get())
+        xPeer->addWindowListener( this );
+    else if( aType == cppu::UnoType<XKeyListener>::get())
+        xPeer->addKeyListener( this );
+    else if( aType == cppu::UnoType<XFocusListener>::get())
+        xPeer->addFocusListener( this );
+    else if( aType == cppu::UnoType<XMouseListener>::get())
+        xPeer->addMouseListener( this );
+    else if( aType == cppu::UnoType<XMouseMotionListener>::get())
+        xPeer->addMouseMotionListener( this );
+    else if( aType == cppu::UnoType<XPaintListener>::get())
+        xPeer->addPaintListener( this );
+    else if( aType == cppu::UnoType<XTopWindowListener>::get())
+    {
+        Reference< XTopWindow > xTop( xPeer, UNO_QUERY );
+        if( xTop.is() )
+            xTop->addTopWindowListener( this );
+    }
+    else
+    {
+        OSL_FAIL( "unknown listener" );
+    }
+}
+
+//  protected method
+
+void OMRCListenerMultiplexerHelper::impl_unadviseFromPeer(  const   Reference< XWindow >&   xPeer   ,
+                                                            const   Type&                   aType   )
+{
+    // the last listener is removed, remove the listener from the source (peer)
+    if( aType == cppu::UnoType<XWindowListener>::get())
+        xPeer->removeWindowListener( this );
+    else if( aType == cppu::UnoType<XKeyListener>::get())
+        xPeer->removeKeyListener( this );
+    else if( aType == cppu::UnoType<XFocusListener>::get())
+        xPeer->removeFocusListener( this );
+    else if( aType == cppu::UnoType<XMouseListener>::get())
+        xPeer->removeMouseListener( this );
+    else if( aType == cppu::UnoType<XMouseMotionListener>::get())
+        xPeer->removeMouseMotionListener( this );
+    else if( aType == cppu::UnoType<XPaintListener>::get())
+        xPeer->removePaintListener( this );
+    else if( aType == cppu::UnoType<XTopWindowListener>::get())
+    {
+        Reference< XTopWindow >  xTop( xPeer, UNO_QUERY );
+        if( xTop.is() )
+            xTop->removeTopWindowListener( this );
+    }
+    else
+    {
+        OSL_FAIL( "unknown listener" );
+    }
+}
+
+} // namespace unocontrols
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */